Figure 2From: Heritable determinants of male fertilization success in the nematode Caenorhabditis elegansSize distributions of male spermatids for each of 7 strains (diameter, μm). Box-plots indicate median and inter-quartile range (points beyond whiskers are candidate outlier values). Horizontal bars at the top indicate Tukey HSD groups, with strains sharing identical letters not differing significantly.Back to article page